diff options
Diffstat (limited to 'deny.c')
| -rw-r--r-- | deny.c | 114 |
1 files changed, 114 insertions, 0 deletions
@@ -0,0 +1,114 @@ +/* ---------------------------- deny --------------------------------------- */
+/* */
+/* Lets only floats/symbols through that are denyed to do so. */
+/* Written by Olaf Matthes <olaf.matthes@gmx.de> */
+/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */
+/* */
+/* This program is free software; you can redistribute it and/or */
+/* modify it under the terms of the GNU General Public License */
+/* as published by the Free Software Foundation; either version 2 */
+/* of the License, or (at your option) any later version. */
+/* */
+/* This program is distributed in the hope that it will be useful, */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
+/* GNU General Public License for more details. */
+/* */
+/* You should have received a copy of the GNU General Public License */
+/* along with this program; if not, write to the Free Software */
+/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+/* */
+/* Based on PureData by Miller Puckette and others. */
+/* */
+/* ---------------------------------------------------------------------------- */
+
+#include "m_pd.h"
+#include <string.h>
+
+static char *version = "deny v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>";
+
+typedef struct deny
+{
+ t_object x_obj;
+ t_outlet *x_out;
+ t_atom *x_elem; // list of elemets that are denyed to pass
+ t_int x_numelem; // the number of elemetns in our deny-list
+} t_deny;
+
+ /* we got a symbol... */
+static void deny_symbol(t_deny *x, t_symbol *s)
+{
+ int i, deny = 0;
+ for(i = 0; i < x->x_numelem; i++)
+ {
+ if(x->x_elem[i].a_type == A_SYMBOL) // compare with all symbols in our list
+ if(atom_getsymbolarg(i, x->x_numelem, x->x_elem) == s)
+ {
+ deny = 1;
+ return;
+ }
+ }
+ if(!deny)outlet_symbol(x->x_out, s);
+}
+
+ /* we got a float... */
+static void deny_float(t_deny *x, t_floatarg f)
+{
+ int i, deny = 0;
+ for(i = 0; i < x->x_numelem; i++)
+ {
+ if(x->x_elem[i].a_type == A_FLOAT) // compare with all floats in our list
+ if(atom_getfloatarg(i, x->x_numelem, x->x_elem) == f)
+ {
+ deny = 1; // input is in deny-list
+ return;
+ }
+ }
+ if(!deny)outlet_float(x->x_out, f);
+}
+
+static t_class *deny_class;
+
+static void deny_free(t_deny *x)
+{
+ freebytes(x->x_elem, x->x_numelem*sizeof(t_atom));
+}
+
+static void *deny_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_deny *x = (t_deny *)pd_new(deny_class);
+
+ x->x_numelem = argc; // get the number of elements
+ x->x_elem = getbytes(argc*sizeof(t_atom));
+ memcpy(x->x_elem, argv, argc*sizeof(t_atom));
+
+ x->x_out = outlet_new(&x->x_obj, gensym("anything"));
+
+ // post("deny: got %d elements", x->x_numelem);
+
+ return (x);
+}
+
+#ifndef MAXLIB
+void deny_setup(void)
+{
+ /* the object's class: */
+ deny_class = class_new(gensym("deny"), (t_newmethod)deny_new,
+ (t_method)deny_free, sizeof(t_deny), 0, A_GIMME, 0);
+#else
+void maxlib_deny_setup(void)
+{
+ /* the object's class: */
+ deny_class = class_new(gensym("maxlib_deny"), (t_newmethod)deny_new,
+ (t_method)deny_free, sizeof(t_deny), 0, A_GIMME, 0);
+ class_addcreator((t_newmethod)deny_new, gensym("deny"), A_GIMME, 0);
+#endif
+ class_addsymbol(deny_class, deny_symbol);
+ class_addfloat(deny_class, deny_float);
+#ifndef MAXLIB
+
+ post(version);
+#else
+ class_sethelpsymbol(deny_class, gensym("maxlib/deny-help.pd"));
+#endif
+}
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